Dual air particle sample cassette



FIG. 1 is a top side perspective view of my dual air particle samplecassette;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a side plan view thereof, with the opposite side being amirror image of the side shown in FIG. 4; and,

FIG. 5 is an end plan view thereof with the opposite end being a mirrorimage of the view shown in FIG. 5.

I claim the ornamental design for a dual air particle sample cassette,as shown and described.